Simplified distributed block storage with strong consistency, like in Ceph
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Documentation → Usage → fio driver

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fio driver

fio (Flexible I/O tester) is the best utility for benchmarking block devices.

Vitastor has a fio driver which can be installed from the package vitastor-fio.

Use the following command as an example to run tests with fio against a Vitastor cluster:

fio -thread -name=test -bs=4M -direct=1 -iodepth=16 -rw=write -etcd= -image=testimg

If you don't want to access your image by name, you can specify pool number, inode number and size (-pool=1 -inode=1 -size=400G) instead of the image name (-image=testimg).

See exact fio commands to use for benchmarking here.